question about 600mm lenses

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Random Orbits said:
...he did mention EF so that does include 3rd party manufacturers. I got a little peeved when he called me out when I said that most DSLR users tend to have 1 lens/body.

I still think you're right - 'most' dSLR users have 1 body and 1 lens. Also, 'most' Canon users have a Rebel/xxxD body, and that one lens is the 18-55mm kit lens that came with the camera.
 
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Lichtgestalt said:
he said that he thinks for noticable better image quality there is no way then buying the EF 600mm f4.
a 400mm f2.8 +TC would not yield noticable better image quality. can´t say if that´s true (he is not a pixelpeeper looking at his images at 200% all the time).

Just to touch on this point.....your friend is wrong....I own the 100-400, 600II, 300II and now the 200-400. The 300II with the 2.0TCIII and the 200-400 at 560 with internal engaged are both much sharper than the 100-400 and therefore much sharper than the new Tamron. As far as actual centre of the frame (most used for wildlife shooting due to cropping all the time) the 300II + 2.0TCIII and the 200-400w1.4TC are on par with the bare 600II. Tough to believe but true none the less. The 200-400 may lag a little behind (and isn't quite 600mm) but the 300II and 2.0III is for sure on par. The 400f/2.8ISII and the 1.4TCIII would be at least equal to this also.

Here are two examples from the 300II and 2.0TCIII:
 

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Don Haines said:
So if the real number is about 1.5 lenses per body.... that would mean half the bodies with 1 lens and half with two.... or 25 percent with 3 lenses and 75 percent with 1.... However you slice it, there are a lot of cameras out there with only 1 lens, and this goes to prove one of the things I have been saying all along... we are not normal and do not represent the typical camera user.

Yes, there are many forum members that are well outside the norm, which is why it's not useful to extrapolate the priorities of forums to those of the general EOS owner or overall EF market. Claiming that I'd like a 600 f/5.6 prime or a mirrorless camera with specific attributes and claiming that they'd sell like hotcakes if they made one to satisfy my feature list is not realistic. Would I look into a 600 f/5.6 for 2k? Absolutely! Would I buy one? Yes, if it proves to have no compatibility issues, is handholdable and has better IQ than the 100-400.
 
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Random Orbits said:
Yes, there are many forum members that are well outside the norm, which is why it's not useful to extrapolate the priorities of forums to those of the general EOS owner or overall EF market. Claiming that I'd like a 600 f/5.6 prime or a mirrorless camera with specific attributes and claiming that they'd sell like hotcakes if they made one to satisfy my feature list is not realistic. Would I look into a 600 f/5.6 for 2k? Absolutely! Would I buy one? Yes, if it proves to have no compatibility issues, is handholdable and has better IQ than the 100-400.

Exactly. Meanwhile, the reaction of the majority of dSLR users would be, "$2K for just one lens?!? That's crazy...I spent half that, and I got a camera and two lenses!!"
 
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neuroanatomist said:
Random Orbits said:
Yes, there are many forum members that are well outside the norm, which is why it's not useful to extrapolate the priorities of forums to those of the general EOS owner or overall EF market. Claiming that I'd like a 600 f/5.6 prime or a mirrorless camera with specific attributes and claiming that they'd sell like hotcakes if they made one to satisfy my feature list is not realistic. Would I look into a 600 f/5.6 for 2k? Absolutely! Would I buy one? Yes, if it proves to have no compatibility issues, is handholdable and has better IQ than the 100-400.

Exactly. Meanwhile, the reaction of the majority of dSLR users would be, "$2K for just one lens?!? That's crazy...I spent half that, and I got a camera and two lenses!!"
I was shooting at a birthday party last night and pulled out the 600EX. That prompted the following conversation...
Party-goer: Is that an old camera?
Me: It's out of date, I'm going to replace it soon....
Party-goer: The new cameras all have flashes. The good ones pop up and are real good.
Me: Good to know, I'll have to check that out.
 
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arbitrage said:
Lichtgestalt said:
he said that he thinks for noticable better image quality there is no way then buying the EF 600mm f4.
a 400mm f2.8 +TC would not yield noticable better image quality. can´t say if that´s true (he is not a pixelpeeper looking at his images at 200% all the time).

Just to touch on this point.....your friend is wrong....I own the 100-400, 600II, 300II and now the 200-400. The 300II with the 2.0TCIII and the 200-400 at 560 with internal engaged are both much sharper than the 100-400 and therefore much sharper than the new Tamron. As far as actual centre of the frame (most used for wildlife shooting due to cropping all the time) the 300II + 2.0TCIII and the 200-400w1.4TC are on par with the bare 600II. Tough to believe but true none the less. The 200-400 may lag a little behind (and isn't quite 600mm) but the 300II and 2.0III is for sure on par. The 400f/2.8ISII and the 1.4TCIII would be at least equal to this also.

Here are two examples from the 300II and 2.0TCIII:

Thanks for sharing arbitrage :)

I just ordered 1.4TC III. Can't wait to put this on my 400mm f2.8 IS II. Will share some photos next week.
 
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neuroanatomist said:
Random Orbits said:
Yes, there are many forum members that are well outside the norm, which is why it's not useful to extrapolate the priorities of forums to those of the general EOS owner or overall EF market. Claiming that I'd like a 600 f/5.6 prime or a mirrorless camera with specific attributes and claiming that they'd sell like hotcakes if they made one to satisfy my feature list is not realistic. Would I look into a 600 f/5.6 for 2k? Absolutely! Would I buy one? Yes, if it proves to have no compatibility issues, is handholdable and has better IQ than the 100-400.

Exactly. Meanwhile, the reaction of the majority of dSLR users would be, "$2K for just one lens?!? That's crazy...I spent half that, and I got a camera and two lenses!!"

^--- THIS! Exactly.

Random Orbits said:
Don Haines said:
So if the real number is about 1.5 lenses per body.... that would mean half the bodies with 1 lens and half with two.... or 25 percent with 3 lenses and 75 percent with 1.... However you slice it, there are a lot of cameras out there with only 1 lens, and this goes to prove one of the things I have been saying all along... we are not normal and do not represent the typical camera user.

Yes, there are many forum members that are well outside the norm, which is why it's not useful to extrapolate the priorities of forums to those of the general EOS owner or overall EF market. Claiming that I'd like a 600 f/5.6 prime or a mirrorless camera with specific attributes and claiming that they'd sell like hotcakes if they made one to satisfy my feature list is not realistic. Would I look into a 600 f/5.6 for 2k? Absolutely! Would I buy one? Yes, if it proves to have no compatibility issues, is handholdable and has better IQ than the 100-400.

^-- The bolded part is my point in a nutshell. A 600mm f/5.6 prime has to have good IQ. It doesn't necessarily need to be as good as the 600/4, but it has to be better than the alternatives. For such a large objective element, that is no easy task...
 
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I can't imagine a person who just spent $12,000 on a 600mm lens having anything good to say about a new 600mm lens that costs $1,200. You can be sure that each lens has advantages and disadvantages. If somebody would give me one lens or the other I would choose and suffer with the disadvantages of the $12,000 lens.
 
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Random Orbits said:
Don Haines said:
So if the real number is about 1.5 lenses per body.... that would mean half the bodies with 1 lens and half with two.... or 25 percent with 3 lenses and 75 percent with 1.... However you slice it, there are a lot of cameras out there with only 1 lens, and this goes to prove one of the things I have been saying all along... we are not normal and do not represent the typical camera user.

Yes, there are many forum members that are well outside the norm, which is why it's not useful to extrapolate the priorities of forums to those of the general EOS owner or overall EF market. Claiming that I'd like a 600 f/5.6 prime or a mirrorless camera with specific attributes and claiming that they'd sell like hotcakes if they made one to satisfy my feature list is not realistic. Would I look into a 600 f/5.6 for 2k? Absolutely! Would I buy one? Yes, if it proves to have no compatibility issues, is handholdable and has better IQ than the 100-400.

Wow, I never really looked at the number of bodies vs EF lenses sold before. If I didn't enjoy my hobby so much, the expression "a fool and his money..." comes to mind. My wife probably thinks it, regardless of the enjoyment I get from the quality of the equipment and the challenge of using even a little of it's potential.
 
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Don Haines said:
I was shooting at a birthday party last night and pulled out the 600EX. That prompted the following conversation...
Party-goer: Is that an old camera?
Me: It's out of date, I'm going to replace it soon....
Party-goer: The new cameras all have flashes. The good ones pop up and are real good.
Me: Good to know, I'll have to check that out.

Classic! The first time I used brought the 70-200 to a large gathering, a friend commented that it was so large and that I must be able to see very far with it. Well, not exactly....
 
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jrista said:
A 600mm f/5.6 prime has to have good IQ. It doesn't necessarily need to be as good as the 600/4, but it has to be better than the alternatives. For such a large objective element, that is no easy task...
We are definitely in agreement...

For a 600 F5.6 prime to sell, it has to be better than the alternatives.....

At twice the price, it has to be significantly better than the Tamron... But I doubt they can hit that combination of quality and price... As mentioned above, nobody thought they could hit the quality/price on the 150-600 and they proved us wrong...I am more than willing to be proved wrong again, but I'll believe it when I see it.

Shot this with the Tamron today at 600mm. Pixel peeping on an obsolete crop body :) To significantly beat this at a reasonable price will certainly be a challenge.
 

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Lenscracker said:
I can't imagine a person who just spent $12,000 on a 600mm lens having anything good to say about a new 600mm lens that costs $1,200. You can be sure that each lens has advantages and disadvantages. If somebody would give me one lens or the other I would choose and suffer with the disadvantages of the $12,000 lens.

It has nothing to do with the fact that I bought a 600mm f/4 lens. It's a logical deduction. If you are going to buy a 600mm f/5.6 prime, the general expectation is that it fits the general description of a prime. You don't expect any prime lens to offer lower quality than a similar focal length from any zoom lens. Most people would natrually compare it to the best of the relevant zoom range, in which case the Canon 100-400 L, which has very little CA at 400mm, is the likely target. Any 600mm f/5.6 prime would have to be better than the 100-400 L @ 400mm.

And, as a matter of fact, I do have good things to say about Tamron's lens. For it's price point, it's a game changer. It offers excellent features and great quality relative to it's competition for an eminently affordable price. It's because I have good things to say about Tamron's lens that I do not believe a 600mm f/5.6 prime lens is viable.

There really isn't a middle ground option to be had. Building a good quality 600mm f/5.6 lens, especially if you cut some corners on weight savings, optical quality, etc. is too expensive, it would be around $4500 at the cheapest, and $7000 at the most expensive. Simple fact of the matter is, you can pick up a used Canon EF 300mm f/2.8 and a 2x teleconverter for LESS than $4500, and you have yourself a 600mm f/5.6 lens that offers superb optical quality (the old EF 300mm f/2.8 was once called the sharpest lens in the world). If you want even better quality than that, you can pick up the new Canon EF 300mm f/2.8 L II for $6800, and have the best 600mm f/5.6 IQ your going to get from a lens at any price under $12000.

There simply isn't a place for a 600mm f/5.6 prime, not one that lives up to the expectations customers have for "prime" lenses. The option, with teleconverters, already exists, and even used, it tends to be well above the price point most consumers who are looking for a "cheap" 600mm lens option are willing to buy at.
 
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Don Haines said:
jrista said:
A 600mm f/5.6 prime has to have good IQ. It doesn't necessarily need to be as good as the 600/4, but it has to be better than the alternatives. For such a large objective element, that is no easy task...
We are definitely in agreement...

For a 600 F5.6 prime to sell, it has to be better than the alternatives.....

At twice the price, it has to be significantly better than the Tamron... But I doubt they can hit that combination of quality and price... As mentioned above, nobody thought they could hit the quality/price on the 150-600 and they proved us wrong...I am more than willing to be proved wrong again, but I'll believe it when I see it.

Shot this with the Tamron today at 600mm. Pixel peeping on an obsolete crop body :) To significantly beat this at a reasonable price will certainly be a challenge.

Thanks for sharing Don Haines :)

How is the AF speed @ 600mm?
 
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Dylan777 said:
Don Haines said:
jrista said:
A 600mm f/5.6 prime has to have good IQ. It doesn't necessarily need to be as good as the 600/4, but it has to be better than the alternatives. For such a large objective element, that is no easy task...
We are definitely in agreement...

For a 600 F5.6 prime to sell, it has to be better than the alternatives.....

At twice the price, it has to be significantly better than the Tamron... But I doubt they can hit that combination of quality and price... As mentioned above, nobody thought they could hit the quality/price on the 150-600 and they proved us wrong...I am more than willing to be proved wrong again, but I'll believe it when I see it.

Shot this with the Tamron today at 600mm. Pixel peeping on an obsolete crop body :) To significantly beat this at a reasonable price will certainly be a challenge.

Thanks for sharing Don Haines :)

How is the AF speed @ 600mm?
The autofocus speed seems a bit slow, but to be fair about it, I am using a 60D and every EF lens I own focuses faster on my friends 5D2 than my 60D...
 
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Don Haines said:
Dylan777 said:
Don Haines said:
jrista said:
A 600mm f/5.6 prime has to have good IQ. It doesn't necessarily need to be as good as the 600/4, but it has to be better than the alternatives. For such a large objective element, that is no easy task...
We are definitely in agreement...

For a 600 F5.6 prime to sell, it has to be better than the alternatives.....

At twice the price, it has to be significantly better than the Tamron... But I doubt they can hit that combination of quality and price... As mentioned above, nobody thought they could hit the quality/price on the 150-600 and they proved us wrong...I am more than willing to be proved wrong again, but I'll believe it when I see it.

Shot this with the Tamron today at 600mm. Pixel peeping on an obsolete crop body :) To significantly beat this at a reasonable price will certainly be a challenge.

Thanks for sharing Don Haines :)

How is the AF speed @ 600mm?
The autofocus speed seems a bit slow, but to be fair about it, I am using a 60D and every EF lens I own focuses faster on my friends 5D2 than my 60D...

Thanks Don,
It's a $1000ish lens(@ fraction when compared to Canon 600mm II). If IQ and AF speed is good enough for everyday shooter, I think this might be a winner for many(including myself)

I just ordered the Canon 1.4TC III. Can't wait to it on my Canon 400mm f2.8 IS II.
 
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Reality check here.
High end TEC apochromatic refractor, all-fluorite triplet, f/5.6, 110mm front element diameter, for FL of 616mm, 18.5" long, 10 pounds (fits carry-on regulations) = $4,500.00 (special order)
http://www.optcorp.com/tec-110mm-f-5-6-apo-fluorite-refractor-telescope-110560.html

Least expensive 110mm apochromatic refractor, glass doublet, 110mm f/6.0 for FL 660mm, 21.5" long, 11.5# = $1,300.00
http://www.telescope.com/catalog/product.jsp?productId=103016&type=product

Bear in mind that these telescopes have manual focus with coarse and fine focus gearing, and don't have image stabilization.
 
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NancyP said:
Reality check here.
High end TEC apochromatic refractor, all-fluorite triplet, f/5.6, 110mm front element diameter, for FL of 616mm, 18.5" long, 10 pounds (fits carry-on regulations) = $4,500.00 (special order)
http://www.optcorp.com/tec-110mm-f-5-6-apo-fluorite-refractor-telescope-110560.html

Least expensive 110mm apochromatic refractor, glass doublet, 110mm f/6.0 for FL 660mm, 21.5" long, 11.5# = $1,300.00
http://www.telescope.com/catalog/product.jsp?productId=103016&type=product

Bear in mind that these telescopes have manual focus with coarse and fine focus gearing, and don't have image stabilization.

Hmm, things can get MUCH more expensive than that. Officina Stellare Hiper APO 152, 152mm f/8 aperture, 1200mm focal length, carbon fiber and aluminum tubing, internal thermal control, laser collimation, explicitly designed as an astrograph: $11,928

http://telescopes.net/store/officina-stellare-hiper-apo-152-achromatic-refractor-telescope.html

As I said before: It's a matter of tolerances. Officina telescopes produce STUNNING quality, RAZOR sharp stars corner to corner. Because they enforce much tighter tolerances on every aspect of the scope...even down to the turbulence of the air inside the OTA in the spaces between the elements.

You get what you pay for. A $1300 APO refractor isn't going to have a flat field, it isn't going to be aberration free, it is going to suffer from thermal gradient issues and internal air turbulence problems, etc. (BTW, all of these things REALLY matter when it comes to astrophotography, they matter when it comes to the study of cosmic objects (particularly turbulence, it messes with Poisson spot shape), but they don't really matter for visual observing. You could easily get away with a $1300 APO for basic visual observation...it probably wouldn't cut it for anyone who's say looking for double or triple stars by analyzing Dawes diffraction spot shape, and it definitely wouldn't cut it for astrophotography.
 
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I would be happy to give up 1/3 EV to have a 600mm prime that costs in the same range of the zoom. Or a 550mm f/5.6. There can be variations on the theme. Hell, a razor sharp 500mm f/5.6 would be interesting already.

Thanks to Tamron for proving that it's possible to manufacture such lenses at decent prices. However, for primes I would look in the Sigma direction. Some time ago they stated to be after the big whites. In fact their current 500/4.5 is not a bad lens. Their Sport category looks very barren... I wouldn't be surprised if they started populating it.

The biggest problem are the people. Most users willing to spend such amounts of money would not do so on a 3rd party lens. God, every time a hair is out of place on a Sigma lens, the litany of poor QC starts over and over again.
 
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